Aerodynamic Optimization of a Wind Turbine Blade for Maximum Annual Energy Production at Manjil Wind Farm

Azizi, Mahdi; Jahangirian, Alireza

doi:10.22034/jast.2021.129714

Document Type : Original Article

Authors

Mahdi Azizi ¹
Alireza Jahangirian ²

¹ Department of Aerospace Engineering, Amirkabir University of Technology. Tehran. Iran

² Department of Aerospace Engineering, Amirkabir University of Technology

https://doi.org/10.22034/jast.2021.129714

Abstract

To keep pace with current trends in the wind industry, this paper aims at the improvement of the annual energy production of a horizontal axis wind turbine by aerodynamic optimization of blades at the wind conditions of the Manjil site. To achieve this goal, the Riso wind turbine, whose characteristics are publicly available, is selected, and its twist angle and chord length distributions along the blades are optimized. The blade element momentum theory with appropriate corrections is used to predict the turbine output power. The genetic algorithm optimization tool, and Weibull probability density function, for wind regime representation, are also utilized in this work. Optimization results show a 9.4% and 11.6% increase in annual energy production, respectively, for the blade with optimal twist angle and the blade with optimal chord length and twist angle distributions. Finally, the superiority of selecting annual energy production as the objective function is assessed in comparison with other objective functions.

Keywords

20.1001.1.17352134.2021.14.2.1.4

Main Subjects

Aerodynamic

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Journal of Aerospace Science and Technology

Aerodynamic Optimization of a Wind Turbine Blade for Maximum Annual Energy Production at Manjil Wind Farm

References

References

Volume 14, Issue 2
October 2021
Pages 1-9

Aerodynamic Optimization of a Wind Turbine Blade for Maximum Annual Energy Production at Manjil Wind Farm

References

References

Volume 14, Issue 2October 2021Pages 1-9

Volume 14, Issue 2
October 2021
Pages 1-9